A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5910-00-281-0647
NSN 7035-00-929-0363
NSN 6620-00-403-1142
NSN 6645-01-068-3042
NSN 5925-01-527-1636
NSN 6150-00-156-6080
NSN 5975-00-452-1197
NSN 5920-01-407-7115
NSN 5945-01-362-5769
NSN 6105-00-122-6566
NSN 5975-01-243-9962
NSN 5835-00-927-4438